21110322332 has 24 divisors (see below), whose sum is σ = 40308211440. Its totient is φ = 9594008960.

The previous prime is 21110322329. The next prime is 21110322383. The reversal of 21110322332 is 23322301112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252518 + ... + 325554.

It is an arithmetic number, because the mean of its divisors is an integer number (1679508810).

Almost surely, 2^21110322332 is an apocalyptic number.

21110322332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21110322332 is a deficient number, since it is larger than the sum of its proper divisors (19197889108).

21110322332 is a wasteful number, since it uses less digits than its factorization.

21110322332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79621 (or 79619 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21110322332 its reverse (23322301112), we get a palindrome (44432623444).

The spelling of 21110322332 in words is "twenty-one billion, one hundred ten million, three hundred twenty-two thousand, three hundred thirty-two".